import React,{Component} from 'react';
import { Menu, Icon } from 'antd';

const { SubMenu } = Menu;

class Menus extends Component{
    rootSubmenuKeys = ['sub1', 'sub2', 'sub4'];

    state = {
        openKeys: ['sub1'],
    };

    onOpenChange = openKeys => {
        const latestOpenKey = openKeys.find(key => this.state.openKeys.indexOf(key) === -1);
        if (this.rootSubmenuKeys.indexOf(latestOpenKey) === -1) {
            this.setState({ openKeys });
        } else {
            this.setState({
                openKeys: latestOpenKey ? [latestOpenKey] : [],
            });
        }
    };

    render(){
        return(
            <div>
                <Menu
                    mode="inline"
                    openKeys={this.state.openKeys}
                    onOpenChange={this.onOpenChange}
                    style={{ width: 256 }}
                >
                    <SubMenu
                        key="sub1"
                        title={
                            <span>
                                <Icon type="mail" />
                                <span>Navigation One</span>
                                </span>
                        }
                    >
                        <Menu.Item key="1">Option 1</Menu.Item>
                        <Menu.Item key="2">Option 2</Menu.Item>
                        <Menu.Item key="3">Option 3</Menu.Item>
                        <Menu.Item key="4">Option 4</Menu.Item>
                    </SubMenu>
                    <SubMenu
                        key="sub2"
                        title={
                            <span>
                                 <Icon type="appstore" />
                                 <span>Navigation Two</span>
                            </span>
                        }
                    >
                        <Menu.Item key="5">Option 5</Menu.Item>
                        <Menu.Item key="6">Option 6</Menu.Item>
                        <SubMenu key="sub3" title="Submenu">
                            <Menu.Item key="7">Option 7</Menu.Item>
                            <Menu.Item key="8">Option 8</Menu.Item>
                        </SubMenu>
                    </SubMenu>
                    <SubMenu
                        key="sub4"
                        title={
                            <span>
                                <Icon type="setting" />
                                <span>Navigation Three</span>
                            </span>
                        }
                    >
                        <Menu.Item key="9">Option 9</Menu.Item>
                        <Menu.Item key="10">Option 10</Menu.Item>
                        <Menu.Item key="11">Option 11</Menu.Item>
                        <Menu.Item key="12">Option 12</Menu.Item>
                    </SubMenu>
                </Menu>
            </div>
        )
    }
}
export default Menus;
